Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / gui / colour / ProfileDataColourer.java

diff --git a/src/tim/prune/gui/colour/ProfileDataColourer.java b/src/tim/prune/gui/colour/ProfileDataColourer.java
new file mode 100644 (file)
index 0000000..357f7f9
--- /dev/null
+++ b/src/tim/prune/gui/colour/ProfileDataColourer.java
@@ -0,0 +1,57 @@
+package tim.prune.gui.colour;
+
+import java.awt.Color;
+
+import tim.prune.config.Config;
+import tim.prune.data.Track;
+import tim.prune.gui.profile.ProfileData;
+
+/**
+ * Colourer based on speed values
+ */
+public abstract class ProfileDataColourer extends ContinuousPointColourer
+{
+       /**
+        * Constructor
+        * @param inStartColour start colour
+        * @param inEndColour end colour
+        */
+       public ProfileDataColourer(Color inStartColour, Color inEndColour)
+       {
+               super(inStartColour, inEndColour);
+       }
+
+       /**
+        * Calculate the colours according to the track and the profile data
+        */
+       public void calculateColours(Track inTrack, ProfileData inData)
+       {
+               final int numPoints = inTrack == null ? 0 : inTrack.getNumPoints();
+
+               // Calculate values for each point
+               inData.init(Config.getUnitSet());
+               // Figure out speed range
+               double minValue = inData.getMinValue();
+               double maxValue = inData.getMaxValue();
+               if (!inData.hasData() || (maxValue - minValue) < 0.1)
+               {
+                       // not enough value range, set all to null
+                       init(0);
+               }
+               else
+               {
+                       // initialise the array to the right size
+                       init(numPoints);
+                       // loop over track points to calculate colours
+                       for (int i=0; i<numPoints; i++)
+                       {
+                               if (inData.hasData(i))
+                               {
+                                       double fraction = (inData.getData(i) - minValue) / (maxValue - minValue);
+                                       setColour(i, mixColour((float) fraction));
+                               }
+                               else setColour(i, null);
+                       }
+               }
+       }
+}